Added 3rd party sendfile app

3rd_party_apps/sendfile/backends/mod_wsgi.py

@@ -0,0 +1,30 @@
+from django.http import HttpResponse
+
+from django.conf import settings
+import os.path
+
+def _convert_file_to_url(filename):
+    # CURRENTLY NOT WORKING
+    # mod_wsgi wants a relative URL not a filename
+    # so apache does an internal redirect
+
+    relpath = os.path.relpath(filename, settings.SENDFILE_ROOT)
+    
+    url = [settings.SENDFILE_URL]
+
+    while relpath:
+        relpath, head = os.path.split(relpath)
+        url.insert(1, head)
+
+    return u''.join(url)
+
+def sendfile(request, filename):
+    response = HttpResponse()
+    response['Location'] = _convert_file_to_url(filename)
+    # need to destroy get_host() to stop django
+    # rewriting our location to include http, so that
+    # mod_wsgi is able to do the internal redirect
+    request.get_host = lambda: ''
+
+    return response
+